Wireless router seems to lose DNS

I have a USR MAXg wireless router with the latest firmware upgrade, 3 computers connecting wirelessly with USR NICs (they also have the lastest drivers installed), the router is doing DHCP on the LAN side and getting an IP via DHCP on the WAN side connected to a DSL connection.

All will be working fine then all of a sudden we can't browse the internet. Ping tests are sucessful to the router, outside IPs, and my DNS server, but if I ping a domain address I get the "can't find host" error message. Powercycling the router will solve the problem temporarilly... I'm powercycling it daily.

I have/had the same prob since setting up the Usr-5461 MaxG router on a home network. Lose internet connection. Pinging the raw IP address succeeds. Pinging the URL fails. Have had to reboot the router to fix the prob.

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